/*
 * @Author: Clark
 * @Email: haixuanwoTxh@gmail.com
 * @Date: 2023-01-18 13:03:05
 * @LastEditors: Clark
 * @LastEditTime: 2023-01-18 13:10:31
 * @Description: file content
 */

#include "apue.h"
#include <pthread.h>

void *thr_fn1(void *arg)
{
    printf("thread 1 returning\n");
    return ((void *)1);
}

void *thr_fn2(void *arg)
{
    printf("thread 2 returning\n");
    pthread_exit((void *)2);
}

int main(void)
{
    int err;
    pthread_t tid1, tid2;
    void    *tret;

    err = pthread_create(&tid1, NULL, thr_fn1, NULL);
    if (0 != err)
    {
        err_exit(err, "can't create thread 1");
    }

    err = pthread_create(&tid2, NULL, thr_fn2, NULL);
    if (0 != err)
    {
        err_exit(err, "can't create thread 2");
    }

    err = pthread_join(tid1, &tret);
    if (0 != err)
    {
        err_exit(err, "can't join with thread 1");
    }
    printf("thread1 exit code %ld\n", (long)tret);

    err = pthread_join(tid2, &tret);
    if (0 != err)
    {
        err_exit(err, "can't join with thread 2");
    }
    printf("thread2 exit code %ld\n", (long)tret);

    exit(0);
}
